* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.body {
  width: 100%;
  height: 730px;
  background-image: url(./images/index_bg.jpg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.welcome {
  margin: 0 auto;
  font-weight: bolder;
  font-size: 60px;
  color: #000;
  text-align: center;
  padding-top: 100px;

}
.jumpToMain{
  margin-top: 100px;
  text-align: center;
  font-size: 45px;
  
}
 a{
 
  color: #4908fc;
  text-decoration: none;
}
